Report Summary

  • 86

    Performance

    Renders faster than
    89% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

zelfbeheer.nl

Welkom

Page Load Speed

2.4 sec in total

First Response

467 ms

Resources Loaded

1.8 sec

Page Rendered

202 ms

zelfbeheer.nl screenshot

About Website

Welcome to zelfbeheer.nl homepage info - get ready to check Zelfbeheer best content right away, or after learning these important things about zelfbeheer.nl

Content Management systeem Zelfbeheer, E-mail marketing Zelfmail

Visit zelfbeheer.nl

Key Findings

We analyzed Zelfbeheer.nl page load time and found that the first response time was 467 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

zelfbeheer.nl performance score

86

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

63/100

25%

SI (Speed Index)

Value2.7 s

96/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.023

100/100

15%

TTI (Time to Interactive)

Value2.8 s

97/100

10%

Network Requests Diagram

www.zelfbeheer.com

467 ms

reset.css

180 ms

zelfbeheer.css

391 ms

lytebox.css

387 ms

jquery.js

35 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Zelfbeheer.nl, 5% (2 requests) were made to S7.addthis.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (806 ms) relates to the external source Zelfbeheer.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 158.9 kB (64%)

Content Size

249.5 kB

After Optimization

90.5 kB

In fact, the total size of Zelfbeheer.nl main page is 249.5 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Javascripts take 145.3 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 6.3 kB

  • Original 9.1 kB
  • After minification 8.7 kB
  • After compression 2.8 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 6.3 kB or 69% of the original size.

Image Optimization

-19%

Potential reduce by 5.2 kB

  • Original 27.6 kB
  • After minification 22.4 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, Zelfbeheer needs image optimization as it can save up to 5.2 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-64%

Potential reduce by 92.6 kB

  • Original 145.3 kB
  • After minification 130.8 kB
  • After compression 52.7 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 92.6 kB or 64% of the original size.

CSS Optimization

-81%

Potential reduce by 54.8 kB

  • Original 67.5 kB
  • After minification 63.4 kB
  • After compression 12.6 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Zelfbeheer.nl needs all CSS files to be minified and compressed as it can save up to 54.8 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (32%)

Requests Now

41

After Optimization

28

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zelfbeheer. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

zelfbeheer.nl accessibility score

91

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Best Practices

zelfbeheer.nl best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

zelfbeheer.nl SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zelfbeheer.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Zelfbeheer.nl main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph description is not detected on the main page of Zelfbeheer. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: